A Study on Query Expansion with MeSH Terms and Elasticsearch. IMS Unipd at CLEF eHealth Task 3.
Giorgio Maria Di NunzioAlexandru MoldovanPublished in: CLEF (Working Notes) (2018)
Keyphrases
- query expansion
- expansion terms
- original query
- information retrieval systems
- information retrieval
- automatic query expansion
- language model
- query expansion methods
- query terms
- retrieval effectiveness
- language modeling
- trec genomics track
- term selection
- relevance feedback
- probabilistic retrieval model
- pseudo relevance feedback
- text retrieval
- relevant documents
- improving search
- vocabulary mismatch
- query translation
- retrieval model
- ad hoc retrieval
- short queries
- interactive query expansion
- passage retrieval
- question answering
- digital libraries
- relevance model
- biomedical information retrieval
- initial query
- e learning